What is the change in the internal energy of a system (delta U) if 71 kJ...
What is Delta G in kJ for the reaction: Cl_2(g)+ 2 Br^- rightarrow Br_2(l) + 2 Cl^- if [Br^-] = 0.100, [Cl^-] = 0.50, and p(Cl_2) = 1.00 atm? The temperature 25 degree C.
2) From the following data in the Born-Haber cycle, Na(s) → Na(g) 4C12(g) → Cl(g) AH:-108 kJ/mol AHj - 495.9 kJ/mol ara =-349 kJ/mol Na(g) → Na+(g) + e- Cl(g) + e-→ Cl-(g) Na(s) +4C12(g) → NaCl(s) AHoverall =-411 kJ/mol calculate the lattice energy of NaCI.
2. Calculate AH (expressed in kJ/mol) for the following reaction based on the thermochemical information given: Na +Crce → NaCl AH ? Nas) + 2Cl2(g) → Nap + Cle AH = 230 kJ/mol Nag) + Cl → Na(+ Cl® AH = 147 kJ/mol Na(s) + Cl2(e) → NaCl) AH = -411 kJ/mol 3. Consider the reaction: 2HCl) + Ba(OH)2(aq) → BaCl(aq) + 2 H200 AH--118 kJ/mol a. Calculate the heat produced when 700.0 mL of 0.500 M HCl is mixed...
2. Use the following data to calculate the lattice energy (U) of NaCl(s) from sodium me chlorine: Enthalpy of formation (4H) for NaCl(s) - -411 kJ/mol Enthalpy of sublimation (4Hub) of Na 107.3 kJ/mol The first ionization energy of Na (E,)-495.8 kJ/mol The bond dissociation energy (D) of Clh- 243 kJ/mol The electron affinity of Cl (Eea)- 348.6 kJ/mol.
Physical Chemistry: Use a Born-Haber cycle to find an experimentally based value for the lattice enthalpy of sodium bromide (NaBr(s)). The lattice enthalpy corresponds to the enthalpy change for the process NaBr(s) rightarrow Na^+(g) + Br^-(g) Use the following information in doing this problem. delta H degree_f(Na(g)) = 107.32 kJ/mol delta H degree_IE1(Na(g)) = 495.8 kJ/mol delta H degree_f(Br(g)) = 111.88 kJ/mol delta H degree_EA(Br(g)) = -324.6 kJ/mol delta H degree_f(NaBr(s)) = -361.06 kJ/mol The ionization enthalpy (IE_1) and electron...
QUESTION 13 Based off the following data, what is the lattice energy of sodium chloride? AHsub of Na = 108 kJ/mol Do of Cl2= 243 kJ/mol IE of Na(g) = 496 kJ/mol EA of Cl(g) = -349 kJ/mol AHf of NaCl = -411 kJ/mol O A. -1490 kJ/mol O B. -909 kJ/mol O C. -788 kJ/mol OD.-1748 kJ/mol
calculate the delta h,delta s and delta s universe for this reaction. determine the spontaneity of the reaction. Question 7 KO2(g) + H2(g) = H2O(g) Calculate the AH, AS and AS universe for this reaction. Determine the spontaneity of the reaction. AHAG So Substance kJ/mol kJ/mol J/(mol-K) 1 0 Ag S Agt(a) AgBr(s) Agcls Agls) Cl2(g) Cl(g Cl(aq) Br-fag) H+ (aq) Hz(g) H2O(g) H2O(0 H3O+ (aq) H20200 HBr(g) HCl(g) HCN(g) KS Kag) KO2(aq) KOHS) KBr(s) KCIS KCIO3(s) 0(8) O2(g) 03(g)...
1. What is the change in internal energy of a system that does 7.02 kJ of work and absorbs 888 J of heat? 2. Given the reaction 2 Na2O2(g) + 2 H2O(l) → 4 NaOH(s) + O2(g) ∆H = -109 kJ determine ∆H for the following reactions. a)16 Na2O2(g) + 16 H2O(l) → 32 NaOH(s) + 8 O2(g) b)2 NaOH(s) + ½ O2(g) → Na2O2(s) + H2O(l) please make it in word software
17. What is the first ionization energy (IE) of sodium (Na) based on the following information? A. +399.4 kJ B. +464.4 kJ C. +495.4 kJ D. +526.4 kJ E. +591.4 kJ Brig) + e + Br (g) Na(s) + / Bra(l) + NaBr(s) Na (g) + Br-(g) NaBr(s) Br2(g) + 2 Brig) Br(1) Br (g) Na(s) + Nag) AH (kJ mol-') -331.4 -360.0 -743.3 +192.0 +31.0 +107.8
Use Delta_fus H = 6.01 kJ/mol at 0 degree C for the sold rightarrow liquid phase transition of water to calculate Delta_fus S. The Calculated answer is J/mol K (1 decimal place.) The solubility of thallium chloride (TlCl) in water is 0.29 g in 100. mL of solution at 15.6 degree C. The molar concentration of Ti^+ is M (4 dec places). The molar concentration of Cl^- is M(1 dec places). The K_sp for TlCl at this temperature is (1...